One of the best ways to cut down on our carbon footprint is to use mass transportation, which of course is much easier to do when cities offer convenient transit options. Find out which American cities have the best public mass transportation systems and how they have been recognized.

The GRAMMY Hall of Fame was established in 1973 to honor recordings of lasting qualitative or historical significance that are at least 25 years old. According to GRAMMY.org, inductees are selected by a “special member committee of eminent and knowledgeable professionals from all branches of the recording arts.”

Residents of Chicago have already seen the Willis Tower stripped of its status of the world’s tallest building and its iconic name the Sears Tower, and some are in no hurry to concede the title of the nation’s tallest building to New York.